Finding the Fourth Proportional to 2,887,831, 3,976,305.42 and 2,564,980.12
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Solution
The fourth proportional to 2,887,831, 3,976,305.42 and 2,564,980.12 is: 3,531,766.35
Step by Step Solution
- Step 1: Write the proportion equation
2,887,831 : 3,976,305.42 = 2,564,980.12 : x - Step 2: Convert to fraction form
2,887,831/3,976,305.42 = 2,564,980.12/x - Step 3: Cross multiply
2,887,831x = 3,976,305.42 × 2,564,980.12 - Step 4: Simplify right side
2,887,831x = 10,199,144,353,348.25 - Step 5: Solve for x
x = 10,199,144,353,348.25/2,887,831 - Step 6: Final answer
x = 3,531,766.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.